CN210604252U - Multi-functional bank protection test analogue means - Google Patents

Multi-functional bank protection test analogue means Download PDF

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Publication number
CN210604252U
CN210604252U CN201921552160.1U CN201921552160U CN210604252U CN 210604252 U CN210604252 U CN 210604252U CN 201921552160 U CN201921552160 U CN 201921552160U CN 210604252 U CN210604252 U CN 210604252U
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China
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cover plate
slope
plate
bracket
water
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CN201921552160.1U
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Chinese (zh)
Inventor
邹全
王桂尧
陶坚
邓鹏�
黄永刚
张文豪
邓尧
梅智鹏
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Changsha University of Science and Technology
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Changsha University of Science and Technology
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Abstract

A multifunctional slope protection test simulation device comprises a lifting bracket system, a lifting slope box system, a simulated precipitation system, a temperature control system and a water and soil measuring system, the lifting bracket system comprises a bracket, a base, a butterfly nut and a thread lifting rod, the bracket comprises four upright rods and four cross rods arranged at the tops of the upright rods, the middle parts of the four cross rods form an opening for installing a cover plate, the periphery of the bracket is sealed by transparent plates, a threaded lifting rod corresponding to the upright rod is fixed on the base, threaded connection has butterfly nut on the screw thread lifter, the support passes through the pole setting bearing on butterfly nut, and this device is significant to slope protection and treatment, the fracture of soil and the research experiment of the dry and wet circulation experiment of soil, simple structure, convenient operation, low in cost easily makes and maintains.

Description

Multi-functional bank protection test analogue means
Technical Field
The utility model relates to a geotechnical engineering field especially relates to a multi-functional bank protection test analogue means.
Background
With the progress of large-scale basic construction in China, the amount of slope treatment projects is increased sharply, the range and the scale are enlarged, and the quantity and the quality of slope treatment of buildings, traffic, mines and water conservancy all reach the unprecedented level. However, compared with other construction projects, the engineering treatment level is still lower, and a plurality of practical problems are urgently needed to be solved. In recent years, new slope protection structure forms, ecological slope protection projects and the like are rapidly developed, and the contents of slope protection research are more extensive. Therefore, the influence of various factors on the side slope needs to be tested in the test process of the side slope. Present bank protection experimental apparatus function ratio is single, if bank protection washout experimental apparatus, bank protection do wet cycle experimental apparatus etc. can only experiment to single research factor, if need study other experimental factors, then need new device, not only caused the waste of experimental cost, caused the influence to the inner space in laboratory simultaneously, finally may influence the accuracy of experiment.
SUMMERY OF THE UTILITY MODEL
The utility model provides a prior art not enough and provide one kind and reduced experiment cost and area, improved the convenience of experiment and the multi-functional bank protection test analogue means of accuracy nature.
A multifunctional slope protection test simulation device comprises a liftable support system, a liftable slope box system, a simulated precipitation system, a temperature control system and a water and soil measuring system, wherein the liftable support system comprises a support, a base, a butterfly nut and a threaded lifting rod, the support comprises four upright rods and four cross rods arranged at the tops of the upright rods, openings for installing cover plates are formed in the middle parts of the four cross rods, the periphery of the support is sealed through transparent plates, the threaded lifting rod corresponding to the upright rods is fixed on the base, the butterfly nut is connected to the threaded lifting rod in a threaded manner, the support is supported on the butterfly nut through the upright rods,
the cover plate is matched with the opening at the top of the bracket in size, a rotating shaft is arranged in the middle of the cover plate, the cover plate is connected onto a cross rod of the bracket through the rotating shaft, so that the cover plate can rotate in the opening, a fixing device is arranged on the cover plate to fix the position of the cover plate after rotation, the cover plate comprises an A surface and a B surface, a temperature control system and a simulated precipitation system are respectively arranged on the A surface and the B surface of the cover plate, the A surface of the cover plate is provided with the temperature control system, the temperature control system comprises an electric heating pipe for controlling temperature and a lamp tube for simulating sunlight, the electric heating pipe is controlled through a sudden jump type temperature controller, the sudden jump type temperature controller is electrically connected with a temperature sensor arranged on a vertical rod in the bracket, the B surface of the cover plate is provided with the simulated precipitation system, the simulated precipitation system comprises a peristaltic pump, a water collecting plate and a, a plurality of rows of spray heads are arranged at the bottom of the water collecting plate;
the liftable slope box system is arranged on the bottom plate and comprises a slope box, a telescopic chute, a water-stop plate, a weighing sensor, a bearing plate, a hydraulic jack, an angle sensor and a support rod, wherein the slope box, the telescopic chute, the water-stop plate, the weighing sensor, the bearing plate, the hydraulic jack, the angle sensor and the support rod are arranged under the cover plate and used for accommodating a slope soil body, the slope box is a square box body with an open top, the water-stop plate is arranged at the bottom and around the slope box, the weighing sensor is distributed between the bottom of the slope box and the water-stop plate, the support rod is welded in the base, one side of the bottom surface of the slope box is hinged on the support rod through a rotating shaft, the angle sensor is arranged at the rotating shaft, the other side of the bottom surface of the slope box is connected with the movable end of the hydraulic jack arranged on the bottom plate through the bearing plate, the water and soil measuring system comprises a water collecting tank arranged on the bottom plate and an internal siphon type rain gauge arranged on a slope soil body, wherein a drain hole is formed in the water collecting tank and is connected with the outside through a pipeline.
Furthermore, the fixing device is a door bolt, and a plurality of door bolts are arranged on two opposite side edges of the cover plate.
Further, the transparent plate is organic glass.
Furthermore, a sliding rail is installed on the surface b of the cover plate, the water collecting plate is installed on the surface b of the cover plate through the sliding rail, and the water collecting plate is connected with the sliding rail in a sliding mode.
Furthermore, a filter screen is arranged in the drain hole.
Furthermore, the inner diameter of the butterfly nut is divided into an outer ring and an inner ring from top to bottom, the diameter of the outer ring is larger than that of the inner ring, the inner ring is provided with threads, the diameter of the outer ring is matched with the outer diameter of the vertical rod, so that a supporting step is formed between the inner ring and the outer ring, the diameter of the inner ring is matched with the outer diameter of the threaded lifting rod, and the vertical rod is supported on the step formed by the inner ring and the outer ring.
Due to the adoption of the technical means, the bracket of the utility model is integrally installed on the butterfly nut, so that during the test, after the liftable slope box system, the simulated rainfall system and the temperature control system are arranged, the bracket is covered on the base to start the test, thereby facilitating the test operation, wherein the simulated rainfall system is mainly used for providing water source and simulating rainfall, adopts the peristaltic pump to supply water for the system, and simultaneously continuously records the rainfall amount and the rainfall hours through the siphon type rain gauge; the temperature control system is mainly used for keeping the temperature in the device constant, and the temperature in the device is adjusted through heating of the electric heating pipe and the kick type temperature controller; the water and soil measuring system is used for recovering water and soil lost at the slope toe and weighing and measuring the water and soil loss. The experimental device has important significance for research experiments of slope protection and treatment, soil cracking and soil dry-wet cycle experiments, and is simple in structure, convenient to operate, low in manufacturing cost and easy to manufacture and maintain.
To sum up, the utility model discloses can not only carry out the bank protection and erode the experiment, also can carry out the experiment of doing wet circulation, experimental apparatus also can be used to the soil body fracture experiment etc. under the constant temperature condition simultaneously, has not only reduced experiment cost and area, has improved the convenience and the accuracy nature of experiment moreover.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2(a) is a schematic structural diagram of a side a of the cover plate of the present invention.
Fig. 2(b) is a schematic structural diagram of the cover plate b surface of the present invention.
Fig. 3 is a side view of the present invention.
Fig. 4 is a schematic structural view of the lifting support vertical rod of the present invention.
Fig. 5 is a schematic structural diagram of the butterfly nut of the present invention.
Fig. 6 is a schematic structural view of the screw lifting rod of the present invention.
The icons are marked as: 1. a cover plate; 2. a rotating shaft; 3. erecting a rod; 4. a door bolt; 5. an electric heating tube; 6. a kick type temperature controller; 7. a temperature sensor; 8. organic glass; 9. a peristaltic pump; 10. a water collection plate; 11. a sliding track; 12. a spray head; 13. a siphon-type rain gauge; 14. lifting and lowering the screw; 15. a threaded lifting rod; 16. a cross bar; 17. a base; 18. a slope box; 19. a telescopic chute; 20. a water-stop sheet; 21. a weighing sensor; 22. A pressure bearing plate; 23. a hydraulic jack; 24. an angle sensor; 25. a support bar; 26. a water collection tank; 27. And (4) draining the water.
Detailed description of the invention
The present invention is further described in detail with reference to the accompanying drawings and embodiments, and in order to more clearly illustrate the embodiments of the present patent or the technical solutions in the prior art, the drawings required for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
As shown in fig. 1 to 6, the multifunctional slope protection test simulation device comprises a liftable support system, a liftable slope box system, a simulated precipitation system, a temperature control system, a water and soil measuring system, and a peristaltic pump and a sudden jump type temperature controller which are arranged outside the device, wherein the liftable support system comprises a support, a butterfly nut 14 and a threaded lifting rod 15, the support comprises four upright rods 3 and four cross rods 16 which are arranged at the tops of the upright rods 3, the middle parts of the four cross rods 16 form an opening for installing a cover plate, the periphery of the support is sealed by organic glass 8, the threaded lifting rod corresponding to the upright rod is fixed on a base 17, the threaded lifting rod is in threaded connection with the butterfly nut, the whole support is supported on the butterfly nut 14 through the upright rods 3, the inner diameter of the butterfly nut 14 is divided into an outer ring and an inner ring from top to bottom, and the diameter of the outer ring is larger than that of the, the inner ring is provided with the screw thread, outer loop diameter and pole setting external diameter size phase-match for form between inner ring and the outer loop and support the step, inner ring diameter and screw thread lifter external diameter size phase-match, the pole setting is supported on the step that inner and outer loop formed, and during the experiment, after can rise slope box system, simulation precipitation system and temperature control system and lay, can seal on the base with the support cover again.
The simulated precipitation system and the temperature control system are arranged on the cover plate 1, as shown in fig. 2a, the cover plate 1 is rotated through the rotating shaft 2, and the rotating shaft 2 is arranged in a groove of the lifting support cross rod 16, which is matched with the rotating shaft 2 in size. Apron 1 is fixed through keeper 4, apron 1 divide into A, B two sides, the A face of apron 1 is temperature control system, temperature control system is including the mounting groove of installation electric heating pipe 5 or fluorescent tube, temperature-sensing ware 7 and jump formula temperature controller 6, set up the multirow mounting groove on apron 1A face, mountable electric heating pipe 5 or fluorescent tube in it, electric heating pipe 5 comes control to keep constant temperature through jump formula temperature controller 6, temperature-sensing ware 7 is installed in pole setting 3, four sides of device seal through organic glass 8, the fluting on pole setting 3, organic glass fixes on pole setting 3 through the fluting installation, the back is fixed on the base to the support, organic glass all seals four sides of whole device. As shown in fig. 2b, the surface b of the cover plate 2 is a simulated precipitation system, the simulated precipitation system comprises a peristaltic pump 9, a water collection plate 10 and spray heads 12, the peristaltic pump 9 supplies water for the system and controls flow and precipitation time, the peristaltic pump 9 is connected with the water collection plate 10 through telescopic pipes, the bottom of the water collection plate is provided with a plurality of rows of spray heads 12, the water collection plate 10 is installed on the surface b of the cover plate 2 through a sliding rail 11, the water collection plate 10 is connected with the sliding rail 11 in a sliding manner, the water collection plate 10 moves on the sliding rail 11 to realize variable-area precipitation, the sliding rail 11 is preferably made of 304-grade stainless steel, and the self-weight is reduced while the anti.
The slope box system that can rise includes slope box 18, flexible chute 19, water-stop sheet 20, weighing inductor 21, pressure-bearing plate 22, hydraulic jack 23, angle sensor 24 and bracing piece 25, slope box 18 is open-top's four directions box body, bottom in the slope box 18 with be provided with the water-stop sheet all around, laid weighing inductor 21 between slope box bottom and the water-stop sheet, bracing piece 25 welds on base 17, and one side of slope box 18 articulates on bracing piece 25 through the pivot to set up angle sensor 24 in pivot department, hydraulic jack 23 passes through pressure-bearing plate 22 and connects the bottom at slope box 18 middle part, and hydraulic jack 23 can realize the rotation of slope box 18 revolute axle, and slope box 18 toe department connects flexible chute 19. The water and soil measuring system comprises a water collecting tank arranged on the bottom plate and an internal siphon type rain gauge arranged on a slope soil body, wherein a drain hole is formed in the water collecting tank and is connected with the outside through a pipeline, and a filter screen is arranged in the drain hole 27 and can separate water and soil collected in a scouring experiment.
In this embodiment, the side length of the slope box 18 is not less than 1m, the height of the slope box is not less than 0.3m, the height of the vertical rod 3 of the lifting support is not less than 3m, the length of the cross rod 16 is not less than 1.5m, the wall thickness is not less than 2mm, the spiral lifting rod 15 is a solid spiral steel pipe, the height of the spiral lifting rod is not less than 0.5m, the base 17 is preferably made of Q235b steel, the side length of the cover plate 1 is not less than 1.5m, the thickness of the cover plate is not less than 0.2m, the depth of the rotating shaft 2 embedded in the cover plate 1 is not less than 0.1m, and the length of the. The periphery of the base 17 is made of angle steel, the middle of the base 17 is sealed by a steel plate, the support rod 25, the threaded lifting rod 15 and the base 17 are welded, the weld seam is made of fillet weld, and the hydraulic jack 23 is fixed on the base 17 through flange bolts. The slope box 18 is lifted by a hydraulic jack 23, is provided with a weighing sensor 21 and an angle sensor 24, and is provided with a telescopic chute for limiting the direction of water and soil loss. The hydraulic jack 23 is multi-stage telescopic and is provided with a handle. The cover plate 1 is rotated through the rotating shaft 2, and can be converted after rainfall simulation and constant-temperature rotation by adopting a bolt fixing position. The water collection plate 10 is connected with the peristaltic pump 9 through a telescopic pipe. The constant temperature is controlled by a kick type temperature controller 6, and a siphon type rain gauge 13 is adopted to count and simulate the rainfall condition.
The device and the related calculation use method comprise the following steps:
A. determining simulation conditions, selecting different cover plate surfaces, and pulling open the door bolt for fixing.
B. And adjusting the hydraulic jack to enable the slope box to be horizontally placed, determining the compaction degree of the slope body, performing layered compaction, and determining the mass of the soil required by each layer through a weighing sensor.
C. Determining the slope, calculating a corresponding slope angle, adjusting the hydraulic jack, and determining the position of the slope box by the angle sensor.
D. The lifting screw is rotated to adjust the height of the bracket to a proper position.
E. The experimental parameters were automatically controlled using peristaltic pumps or a snap-action temperature controller.
And B, obtaining the mass of the soil required by each layer in the lamination in real time according to the conversion among the three-phase proportion indexes of the soil:
Figure BDA0002206044610000071
n is the number of layers of layered compaction, H is the height of the slope box, A is the bottom area of the slope box, lambda is the degree of compaction, rhodmaxFor maximum dry density, m is the mass required for the overburden free soil during layered compaction.
And C, obtaining a slope angle according to a trigonometric function relation:
Figure BDA0002206044610000072
β is slope angle, a is slope height, b is slope length, and the slope is a
In addition, it should be noted that the present invention is not limited to the above embodiments, as long as the specific size or shape of the component is not specified, the component can be any size or shape corresponding to the structure, and no matter there is any change in the material composition, all the structural designs provided by the present invention are a variation of the present invention, which should be considered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a multi-functional bank protection test analogue means which characterized in that: the device comprises a liftable bracket system, a liftable slope box system, a simulated precipitation system, a temperature control system and a water and soil measuring system, wherein the liftable bracket system comprises a bracket, a base, a butterfly nut and a threaded lifting rod, the bracket comprises four upright rods and four cross rods arranged at the tops of the upright rods, the middle parts of the four cross rods form an opening for installing a cover plate, the periphery of the bracket is sealed by transparent plates, the threaded lifting rod corresponding to the upright rods is fixed on the base, the butterfly nut is connected onto the threaded lifting rod in a threaded manner, the bracket is supported on the butterfly nut through the upright rods,
the cover plate is matched with the opening at the top of the bracket in size, a rotating shaft is arranged in the middle of the cover plate, the cover plate is connected onto a cross rod of the bracket through the rotating shaft, so that the cover plate can rotate in the opening, a fixing device is arranged on the cover plate to fix the position of the cover plate after rotation, the cover plate comprises an A surface and a B surface, a temperature control system and a simulated precipitation system are respectively arranged on the A surface and the B surface of the cover plate, the A surface of the cover plate is provided with the temperature control system, the temperature control system comprises an electric heating pipe for controlling temperature and a lamp tube for simulating sunlight, the electric heating pipe is controlled through a sudden jump type temperature controller, the sudden jump type temperature controller is electrically connected with a temperature sensor arranged on a vertical rod in the bracket, the B surface of the cover plate is provided with the simulated precipitation system, the simulated precipitation system comprises a peristaltic pump, a water collecting plate and a, a plurality of rows of spray heads are arranged at the bottom of the water collecting plate;
the liftable slope box system is arranged on the bottom plate and comprises a slope box, a telescopic chute, a water-stop plate, a weighing sensor, a bearing plate, a hydraulic jack, an angle sensor and a support rod, wherein the slope box, the telescopic chute, the water-stop plate, the weighing sensor, the bearing plate, the hydraulic jack, the angle sensor and the support rod are arranged under the cover plate and used for accommodating a slope soil body, the slope box is a square box body with an open top, the water-stop plate is arranged at the bottom and around the slope box, the weighing sensor is distributed between the bottom of the slope box and the water-stop plate, the support rod is welded in the base, one side of the bottom surface of the slope box is hinged on the support rod through a rotating shaft, the angle sensor is arranged at the rotating shaft, the other side of the bottom surface of the slope box is connected with the movable end of the hydraulic jack arranged on the bottom plate through the bearing plate, the water and soil measuring system comprises a water collecting tank arranged on the bottom plate and an internal siphon type rain gauge arranged on a slope soil body, wherein a drain hole is formed in the water collecting tank and is connected with the outside through a pipeline.
2. The multifunctional slope protection test simulation device of claim 1, wherein: the fixing device is a door bolt, and a plurality of door bolts are arranged on two opposite side edges of the cover plate.
3. The multifunctional slope protection test simulation device of claim 1, wherein: the transparent plate is organic glass.
4. The multifunctional slope protection test simulation device of claim 1, wherein: the surface b of the cover plate is provided with a sliding rail, the water collecting plate is arranged on the surface b of the cover plate through the sliding rail, and the water collecting plate is connected with the sliding rail in a sliding mode.
5. The multifunctional slope protection test simulation device of claim 1, wherein: and a filter screen is arranged in the drain hole.
6. The multifunctional slope protection test simulation device of any one of claims 1 to 5, wherein: the inner diameter of the butterfly nut is divided into an outer ring and an inner ring from top to bottom, the diameter of the outer ring is larger than that of the inner ring, the inner ring is provided with threads, the diameter of the outer ring is matched with the outer diameter of the upright rod, so that a supporting step is formed between the inner ring and the outer ring, the diameter of the inner ring is matched with the outer diameter of the threaded lifting rod, and the upright rod is supported on the step formed by the inner ring and the outer ring.
CN201921552160.1U 2019-09-18 2019-09-18 Multi-functional bank protection test analogue means Expired - Fee Related CN210604252U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921552160.1U CN210604252U (en) 2019-09-18 2019-09-18 Multi-functional bank protection test analogue means

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Application Number Priority Date Filing Date Title
CN201921552160.1U CN210604252U (en) 2019-09-18 2019-09-18 Multi-functional bank protection test analogue means

Publications (1)

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Granted publication date: 20200522

Termination date: 20200918